Surajit ji, it looks like *Cerbera odollam* (Apocynaceae). Regards
Vijayasankar Raman National Center for Natural Products Research University of Mississippi On Tue, Sep 11, 2012 at 11:23 AM, surajit koley < [email protected]> wrote: > Sir, > > My colleague, Mr. Arnab Banerji, took this fruit from his mother to show > me and confirm its ID. His mother who visited > Sundarban<http://en.wikipedia.org/wiki/Sundarbans> last > week collected this fruit there and have been informed that this is a > SUNDARI (Bengali) fruit. > > The book, "Plant Groups", informs SUNDARI tree is *Heritiera minor* Roxb., > while 'The Plant List' informs it is *Heritiera minor* (Gaertn.) > Roxb<http://www.theplantlist.org/tpl/record/kew-2846324>. > which in turn is a synonym of *Heritiera fomes* > Buch.-Ham<http://www.theplantlist.org/tpl/record/kew-2846309> > . > > A description of the above is available at - > http://www.biosearch.in/publicOrganismPage.php?id=113614 > > I attach three views of the same fruit, which is compressed like a > "litti"<http://nishamadhulika.com/files/Litti_Chokha_469434668.jpg>, > but one face is slightly convex while the opposite face is a bit concave at > the middle ridge. The third view is a side view. > > Is this *Heritiera fomes* Buch.-Ham. fruit? > > Species : UNKNOWN > Habit & Habitat : Mangrove tree > Date : collected on 7/9/12, photographed on 11/9/12 > Place : West Bengal > > Regards, > > surajit > > -- > > > > --

